精矿

jīng kuàng
  • concentrate
精矿精矿
精矿 [jīng kuàng]
  • [concentrate] 经过选矿后,品位高的矿石

精矿[jīng kuàng]
  1. P系列新型陶瓷过滤机在铁精矿过滤的应用实践

    Application Practice of P series New Type Ceramic Filters in Iron Concentrate Filtering

  2. 原矿经破碎水洗法选矿后,精矿含SiO299.16%,质量达优质型砂。

    The primary ore is dressed through crushing and washing , and the concentrate contains SiO_2 99.16 % which is a super quality foundry sand .

  3. 闪速炉处理高Pb、Zn、As精矿的探讨

    Inquisition on Smelting High Pb , Zn , As Concentrate in Flash Furnace

  4. Y(OH)3共沉淀分离电感耦合等离子体质谱法测定锌精矿中10种杂质元素

    Determination of ten impurity elements in zinc concentrate by inductively coupled plasma-mass spectrometry after separation with Y ( OH ) _3 coprecipitation

  5. 南非HI磁铁精矿球团试验

    Pelletizing test of hi magnetite concentrate

  6. 铜精矿中金的ICP-AES法测定

    Determination of Aurum in Copper Concentrates by ICP-AES Method

  7. 关于用CMC提高河北铜矿铜精矿质量的机理探讨

    On Upgrading of the Sulfide Copper Concentrate with CMC

  8. 抑制剂EP降低镍精矿中氧化镁含量研究

    A Study on Reducing the content of MgO in Nickel Concentrate with Depressant EP

  9. 硫精矿提硫降杂工业试验研究对HDL、LDL腔内壁面浓度与

    Commercial Test Study about Sulphur Concentration and Mix Reduction

  10. PAS分离铜铅混合精矿的作用机理研究

    A study of the mechanism of separating the copper - lead bulk concentrate with PAS

  11. H2SO4分解富钛精矿的反应动力学

    Kinetics of acidolysis of rich titanium concentrate by H_2SO_4

  12. 介绍在铜冶炼厂由PLC和上位机组成的两级精矿自动计量和取样计算机控制系统的设计和应用情况。

    Design and application of two level computer control system that consists of PLC and process computer for concentrate measuring and sampling in copper melting plant are described .

  13. 选矿拜耳法精矿SiO2变化对矿浆调配的影响分析及控制措施

    Change of upgraded ore SiO_2 in Bayer process with dressing on influence analysis and controlling measure of slurry preparing

  14. 对含高砷、高硫的金精矿加CaO焙烧时建议采用控制气氛和温度的两段焙烧。

    It was suggested that the roasting process of gold concentrates and CaO be divided into two stages with some extent of temperature and atmosphere controlled .

  15. 对承钢黑山铁矿TiO2品位33%左右的粗钛精矿进行了不磨矿的粗粒级浮选或磨矿后细粒级浮选试验研究;

    The trial researches are conducted separately with coarse-grain flotation without grinding and fine-grain flotation after grinding for crude titaniferous concentrate with TiO2 grade of about 33 percent .

  16. 采用DTA,TG结合X-射线衍射分析,对硫化铜精矿的焙烧的动力学进行了研究。

    The roasting kinetics of copper sulfide concentrate is investigated with the differential thermal analysis ( DTA ), thermo-gravimetry ( TG ) and X-ray diffraction ( XRD ) .

  17. 以湖北某地产钙基膨润土矿为试验研究对象,提出了湿法分级提纯工艺流程,获得了w蒙脱石>90%的膨润土精矿。

    Ca-bentonite from a certain mine in Hubei Province is taken as the object of the study . A technical process for purifying bentonite is given and the montmorillonite content can reach 90 % .

  18. MVS振网筛在本钢铁精矿提铁降硅工艺中的应用

    Application of MVS Vibrating Screen in Technology of Iron Increase and Silicon Reduction in Iron Concentrate of Ben Steel

  19. 采用TG-DTA热分析技术研究CaO-NaCl体系焙烧混合稀土精矿的分解过程。

    The process of the mixed rare earth concentrate decomposed by CaO-NaCl was studied by means of TG-DTA method .

  20. 铁精矿还原4h后,金属化率基本达到最大值(约90%),继续延长还原时间,金属化率变化不明显。

    The metallization ratio of iron preparation concentrate reachs the maximum ( about 90 % ) after 4 hours reducing And the metallization ratio does not change Greatly with time increasing .

  21. 研究了在微波场下用C和SiC作还原剂时,氧化锌在精矿粉中的还原率,以模拟钢铁企业冶金含锌尘泥中锌的去除。

    The percent reduction of ZnO in concentrate powder under the action of microwave field was researched by use of C and SiC as reducing agents . The purpose of this research is to imitate zinc-removal process from zinc-containing metallurgical dusts in the iron and steel works .

  22. 研究了硫化锌精矿、石灰和褐煤半焦的混合物,添加适当粘接剂制粒后,高温气相反应制备ZnO针状晶须的条件及形态。

    The preparing conditions and morphology of Needle ZnO Whiskers are dealt with , which are produced by high temperature vapor phase reaction with zinc sulphide concentrates , lime and lignite semicoke mixture in the air , and the granulated mixture by adding some binder .

  23. 目前,省内初选的钛精矿Ti02品位约为46%。

    At present , in province , TiO2 grade of the rough titanium concentrates in Yunnan province is about 46 % .

  24. mL-1。该方法成功地用于石墨炉原子吸收测定水溶液、国家地质标准物质和锌精矿中痕量镓、锗、钼和铟。

    The developed methods were successfully applied to the determination of trace amount of the elements in water samples , geological standard reference materials , and zinc concentrate samples by graphite furnace atomic absorption spectrometry .

  25. 采用硫铁精矿作还原剂还原硫铁矿烧渣酸浸液(硫酸铁),并用沉淀法从硫酸亚铁溶液制备-αFe2O3。

    Acidic leaching solution ( Fe_2 ( SO_4 ) _3 ) of troilite cinder is reduced using pyrite concentrate as reductant and α - Fe_2O_3 is prepared from FeSO_4 solution by precipitation .

  26. 采用低酸浸出-浸渣浮选虽可获得MgO质量分数低于3%的优质铂钯精矿,但由于酸耗较高,使得工艺成本较高。

    However , it is easy to get high quality platinum-palladium concentrate with less than 3 % MgO content using dilute sulfuric acid to leach the ore and than process the residue by flotation , but the consumption of the sulfuric acid in the process is very high .

  27. 用自制的旋臂式磨蚀实验仪,研究了5种高密度聚乙烯和1种顺丁橡胶改性的高密度聚乙烯(HDPE/cis-BR),在铁尾矿和铁精矿浆体中的耐磨蚀性。

    The erosive rates to iron tailings slurry and to iron concentrate slurry of five different kinds of high density polyethylene ( HDPE ) and a cis-1,4 polybutadiene modified HDPE ( HDPE / cis-BR ) were studied with a self-made erosive set-up equipped with six whirling arms .

  28. 介绍了HTG型陶瓷过滤机的工作机理、工艺流程,以及在铁精矿脱水应用中存在的问题及改进措施。

    Based on explanation of its working principle and technological process , the application of HTG type ceramic filter in dewatering of iron ore concentrate , problems existed in application and suggestions for improvement are discussed .

  29. 硫化铜镍矿中存在的蛇纹石、滑石等镁硅酸盐矿物,干扰硫化矿的浮选并使精矿中MgO含量升高,影响后续冶炼过程,严重制约着我国铜镍资源的高效利用。

    High content of magnesium-silicate minerals like serpentine and talc not only obstructs the flotation separation of copper-nickel sulfide ores but also makes a undesirable high content of MgO in concentrate to impede the subsequent smelting process , which restricts the efficient utilization of copper and nickel resources in China .

  30. 在12℃时,精矿铁品位为69.17%,回收率97.87%。由此证明捕收剂GE-601具有良好的捕收性、选择性和耐低温性。

    At 12 ℃, the grade and the recovery were 69.17 % and 97.87 % respectively , which proved that GE-601 collector had good collecting , selecting and low-temperature resistant properties .